for starters, it's going to be dominated by technology. they are going to be not only the generation that's born with gadgets and lives and breathes digital media, but they'll be learning through electronics, computers and the internet. one thing that's very interesting is the next generation of children being born is likely to be heavier than those in the past. and that has some interesting implications, possibly for longevity. it's possible that this generation could live less long than their parents. >> heavier because they're sedentary and playing these electronic gadgets? >> well, hopefully not that yet at birth, but they are heavier. and that has health implications. it will be interesting to see how that plays out. >> very fascinating. speaking of digital technology and all that good stuff, tech companies, all the big companies responsible for training our new habits, what is likely in store for them? or is there a company that will dominate? >> you know, one of the companies that we profile is square, a company that enables retaile